1H-indol-6-ol

C8H7NO

CAS2380-86-1
GHS07 Gefahrensymbol: Gesundheitsschädlich/Reizend – Ausrufezeichen
GHS05 Gefahrensymbol: Ätzend – Ätzwirkung
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
Danger

Consulting for 1H-indol-6-ol

Our experts support you with application, dosage, and compliance.

Request Consultation

Identification

CAS Number
2380-86-1
EC Number
417-020-4
UN Number
3077
Index Number
613-218-00-1
PubChem CID
524508

Physical-chemical properties

Molecular Formula
C8H7NO
Molar Mass
133.15 g/mol
IUPAC Name
1H-indol-6-ol

Chemical Identifiers

InChI
InChI=1S/C8H7NO/c10-7-2-1-6-3-4-9-8(6)5-7/h1-5,9-10H
InChI Key
XAWPKHNOFIWWNZ-UHFFFAOYSA-N

Overview

1H-indol-6-ol (CAS 2380-86-1) is a heterocyclic organic compound featuring an indole ring system with a hydroxyl group at the 6-position. This aromatic compound belongs to the indole family, which comprises important structural units found in numerous natural products and pharmaceuticals. With its molecular formula C8H7NO and molecular weight of 133.15 g/mol, 1H-indol-6-ol exhibits characteristic properties of both phenolic and heterocyclic compounds. The presence of the hydroxyl group at the 6-position of the indole ring significantly influences its chemical reactivity and biological activity compared to unsubstituted indole derivatives. From a safety perspective, 1H-indol-6-ol requires careful handling due to its classification as Acute Tox. 4, Eye Dam. 1, Skin Sens. 1, and Aquatic Chronic 2. The compound carries the signal word "Danger" and displays GHS pictograms GHS07, GHS05, and GHS09, indicating potential health hazards including acute toxicity, serious eye damage, skin sensitization, and environmental concerns. Transport classification under ADR Class 9 designates it as a miscellaneous dangerous substance requiring appropriate shipping protocols. In industrial applications, 1H-indol-6-ol serves as a valuable intermediate in pharmaceutical synthesis, particularly in the development of compounds targeting neurological and oncological applications. The compound also finds use in the production of specialty dyes and advanced materials research. Its structural similarity to other complex heterocyclic compounds, such as 1-[3-(4-fluorophenoxy)propyl]-3-methoxypiperidin-4-one, makes it relevant for comparative studies in medicinal chemistry and drug discovery programs. OYSI maintains reliable supply chains for 1H-indol-6-ol, ensuring consistent availability for European industrial customers requiring this specialized heterocyclic compound for their technical applications.

Safety & Classification

Danger
Classification:

Acute Tox. 4 *; Eye Dam. 1; Skin Sens. 1; Aquatic Chronic 2

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H302

Harmful if swallowed.

H318

Causes serious eye damage.

H317

May cause an allergic skin reaction.

H411

Toxic to aquatic life with long lasting effects.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Skin Contact

Irritant

Measures if substance contacts the skin

First Aid Actions

  • +P302IF ON SKIN:
  • +P352Wash with plenty of water.
  • +P361Take off immediately all contaminated clothing.
  • +P313Get medical advice/attention.

Related hazard statements:

Eye Contact

Harmful

Measures if substance gets into the eyes

First Aid Actions

  • +P305IF IN EYES:
  • +P351Rinse cautiously with water for several minutes.
  • +P338Remove contact lenses, if present and easy to do. Continue rinsing.
  • +P313Get medical advice/attention.

Related hazard statements:

Ingestion

Harmful

Measures if substance is accidentally swallowed

First Aid Actions

  • +P301IF SWALLOWED:
  • +P330Rinse mouth.
  • +P331Do NOT induce vomiting.
  • +P310Immediately call a POISON CENTER/doctor.

Related hazard statements:

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Transport (ADR)

UN Number3077
ADR Class9
Packing GroupIII
Tunnel Code-
Proper Shipping Name6-Hydroxyindol
Marine PollutantNo

Frequently Asked Questions

What is 1H-indol-6-ol?

1H-indol-6-ol is an organic chemical compound with the molecular formula C8H7NO and CAS number 2380-86-1. This indole derivative has a molecular weight of 133.15 g/mol and features a hydroxyl group (-OH) attached to the 6-position of the indole ring structure. It belongs to the indole family of heterocyclic aromatic compounds and is classified as hazardous under GHS regulations with acute toxicity, eye damage, skin sensitization, and aquatic toxicity properties.

What are the physicochemical properties of 1H-indol-6-ol?

1H-indol-6-ol is a solid organic compound at room temperature with a molecular weight of 133.15 g/mol. As an indole derivative containing both aromatic and hydroxyl functional groups, it typically exhibits moderate polarity. The compound's solubility characteristics are influenced by its phenolic hydroxyl group, which can form hydrogen bonds with polar solvents. Its indole structure contributes to its aromatic properties and potential for π-π interactions with other aromatic compounds.

What is 1H-indol-6-ol used for?

1H-indol-6-ol serves as an important intermediate in pharmaceutical and chemical synthesis applications. This compound is primarily utilized in the development of pharmaceutical compounds, particularly in the synthesis of indole-based drugs and bioactive molecules. It also finds applications in research and development activities within the pharmaceutical industry, organic synthesis laboratories, and specialty chemical manufacturing. Its indole structure makes it valuable for creating complex molecular frameworks in medicinal chemistry.

How to handle 1H-indol-6-ol safely?

1H-indol-6-ol requires careful handling due to its classification as Acute Tox. 4, Eye Dam. 1, and Skin Sens. 1. Essential personal protective equipment includes chemical-resistant gloves, safety goggles or face shield, and protective clothing to prevent skin contact. Work should be conducted in well-ventilated areas or under fume hoods to minimize inhalation exposure. Avoid contact with eyes and skin, and ensure proper hygiene practices including thorough handwashing after handling.

How to store 1H-indol-6-ol correctly?

1H-indol-6-ol should be stored in a cool, dry, well-ventilated area away from heat sources and direct sunlight. Keep containers tightly closed when not in use to prevent moisture absorption and contamination. Store separately from incompatible materials such as strong oxidizing agents and bases. Ensure storage areas are equipped with appropriate spill containment measures and maintain temperatures within recommended ranges to preserve product stability and prevent degradation.

What to do in case of contact with 1H-indol-6-ol?

Immediate action is required in case of contact with 1H-indol-6-ol due to its eye damage and skin sensitization properties. For eye contact, rinse immediately with plenty of clean water for at least 15 minutes and seek medical attention immediately. In case of skin contact, wash thoroughly with soap and water, remove contaminated clothing. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and seek medical attention. Always consult safety data sheets for complete first aid procedures.

How to dispose of 1H-indol-6-ol properly?

1H-indol-6-ol waste must be disposed of according to local and national hazardous waste regulations due to its toxicity and environmental hazard classification. Do not dispose of in regular waste streams or pour down drains. Contact licensed waste disposal companies specializing in chemical waste management. Waste should be properly labeled, contained in appropriate packaging, and documented according to waste tracking requirements. Consider waste minimization strategies and potential recycling or recovery options where feasible.

How to transport 1H-indol-6-ol?

1H-indol-6-ol is classified under ADR Class 9 (Miscellaneous dangerous substances), Packing Group III for transportation purposes. This classification requires specific packaging, labeling, and documentation according to dangerous goods regulations. Packages must bear appropriate hazard labels and markings. Transportation should be conducted by trained personnel familiar with dangerous goods handling procedures. Ensure proper documentation including transport documents and emergency response information accompanies shipments.

Is 1H-indol-6-ol subject to specific regulations?

1H-indol-6-ol is subject to REACH regulation requirements in Europe and must comply with CLP classification and labeling standards. The compound is not currently listed as a Substance of Very High Concern (SVHC) under REACH. Suppliers must provide Safety Data Sheets and ensure proper hazard classification and labeling according to GHS standards. Users must implement appropriate risk management measures and may need to register uses depending on quantities handled and supply chain position.

Where to buy 1H-indol-6-ol in Europe?

1H-indol-6-ol is available through OYSI, a specialized European distributor of technical chemicals serving industrial and research customers. OYSI provides reliable supply chain solutions with proper regulatory compliance including REACH registration support and comprehensive safety documentation. As a professional chemical distributor, OYSI ensures product quality, proper packaging, and regulatory compliance for European markets. Contact OYSI directly for availability, specifications, and technical support for your specific application requirements.

Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.